Guys, I need an opinion. Am I my own worst enemy or is my relationship not working out anymore?

Hey everyone, my relationship seems like it’s going down the drain very quickly and i hate it. So here’s the problem. For years, i’ve been nagging him about instagram, about why he liked girls bikini pictures and why he follows them. a year ago he has stopped but i still nag him about it so I've noticed that he doesn't take me out on dates, so yes you guessed it, i nag about that too. so i nag him about everything so he has pushed away. For the past two weeks I've noticed that he doesn’t call me or text me anymore, i have to call or text and when he answers he is quiet and doesn’t want to talk. We used to be happy and obsessed with each other but recently it’s not the same anymore. So here are a few things that have changed as of recent: 1- i don’t have any friends (the group of friends i had stopped talking to me) 2- i dont don’t do any of my hobbies anymore. 3- i just don’t have any motivation to do anything but stay home after i come home from work. my sister and my mom went to Disney the past weekend and i didn’t enjoy it as much as i would have hoped i did because my mind was occupied with him
and why he doesn’t call or text. also since im in such a bad headspace with everything and IF he invites me to go to his house i won't go knowing that all we would do is be at his house not really doing anything. i would watch tv and he would be doing stuff around the house or on his phone. I don't know if im the reason the relationship is not working or if the relationship isn’t. someone please help me
Guys, I need an opinion. Am I my own worst enemy or is my relationship not working out anymore?
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